Halo: Spartan Assault and Halo: Spartan Strike, by Microsoft, have officially landed on the App Store.Spartan Assault pits you against the Covenant with missions geared to tell the story of the origin of Spartan Ops. InSpartan Strike you'll delve into the events surrounding Halo 2 as you lead UNSC troops against the Promethean forces. Both games give you all new stories in the Halo universe and let you complete weekly challenges for experience. You'll have to fight hard to beat your friends to the top the leader boards.

Both Halo: Spartan Assault and Halo: Spartan Strike are available for $5.99 each.

Cult of Mac reports that Microsoft OneNote just got a major update, with enhancements to formatting, consistancy, navigation, and overall functionality. Microsoft has also made the app totally free, which lets you to take as many notes as you like. Isn't that noteworthy!?

Microsoft has launched its Office companion app, Office Mobile for Office 365 subscribers, which is optimized for iPhone, giving users access to view and edit their Word, Excel, and PowerPoint documents from anywhere. The app is free to download, but an Office 365 subscription is required to use this app, which costs $100 dollars/year of $10/month for the Office 365 Home Premium.